We've all heard about how often WoW gets hacked. Or how someones account gets hacked, has all thier shit sold and thier toons moved servers or some shit. A few minutes ago I recieved THIS email from Blizzard:
Not sure how other email carriers work but with gmail if you click the more details link it specifically says hotmail.
Example (I archived several since I get emails like this about once a week):
from Blizzard Entertainment <email@example.com>
date Fri, Mar 5, 2010 at 11:22 PM
subject World of Warcraft Account Management
I feel perfectly safe and since I do have an authenticator I ignore every single one of these emails.